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Montclair, CA 91763 Weather

Tonight: Mostly Cloudy, low 56°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Montclair, CA 91763 current weather

61°F

Mostly Cloudy

Forecast for this hour. No recent report from a nearby station.

H -- / L 56°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/30/2026, 7:42 PM PT

Hourly forecast

NWS, updated 10/30/2026, 7:42 PM PT

  1. Now61°14%
  2. 10 PM60°14%
  3. 11 PM60°
  4. 12 AM59°Sat
  5. 1 AM59°
  6. 2 AM58°
  7. 3 AM58°
  8. 4 AM57°
  9. 5 AM57°
  10. 6 AM56°
  11. 7 AM56°
  12. 8 AM57°
  13. 9 AM59°
  14. 10 AM62°
  15. 11 AM65°
  16. 12 PM66°
  17. 1 PM68°
  18. 2 PM69°
  19. 3 PM69°
  20. 4 PM70°
  21. 5 PM68°42%
  22. 6 PM67°42%
  23. 7 PM65°42%
  24. 8 PM64°42%
  25. 9 PM63°42%
  26. 10 PM62°42%
  27. 11 PM62°70%
  28. 12 AM62°70%Sun
  29. 1 AM61°70%
  30. 1 AM60°70%
  31. 2 AM60°70%
  32. 3 AM60°70%
  33. 4 AM60°61%
  34. 5 AM60°61%
  35. 6 AM60°61%
  36. 7 AM61°61%
  37. 8 AM62°61%
  38. 9 AM62°61%
  39. 10 AM63°34%
  40. 11 AM64°34%
  41. 12 PM65°34%
  42. 1 PM66°34%
  43. 2 PM67°34%
  44. 3 PM67°34%
  45. 4 PM67°16%
  46. 5 PM66°16%
  47. 6 PM64°16%
  48. 7 PM62°16%

10-day forecast

Tap a day for details

  • Today10/3014% chance of precipitationLow 56°High

    Tonight: Mostly cloudy, with a low around 56. Southeast wind around 0 mph.

    Mostly Cloudy
  • Sat10/3170% chance of precipitationLow 59°High 70°

    Saturday: A chance of rain after 5pm. Cloudy, with a high near 70. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: Rain likely. Cloudy, with a low around 59. West wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Cloudy then Chance Light Rain
  • Sun11/161% chance of precipitationLow 54°High 68°

    Sunday: Rain likely before 10am, then a chance of rain showers. Mostly cloudy, with a high near 68. Southwest wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

    Sunday Night: A slight chance of rain showers before 10pm. Partly cloudy, with a low around 54. North wind 0 to 5 mph. Chance of precipitation is 20%.

    Light Rain Likely then Chance Rain Showers
  • Mon11/2Low 56°High 74°

    Monday: Sunny, with a high near 74.

    Monday Night: Mostly clear, with a low around 56.

    Sunny
  • Tue11/3Low 55°High 75°

    Tuesday: Sunny, with a high near 75.

    Tuesday Night: Partly cloudy, with a low around 55.

    Sunny
  • Wed11/4Low 54°High 74°

    Wednesday: Mostly sunny, with a high near 74.

    Wednesday Night: Partly cloudy, with a low around 54.

    Mostly Sunny
  • Thu11/522% chance of precipitationLow 54°High 72°

    Thursday: Mostly sunny, with a high near 72.

    Thursday Night: A slight chance of rain showers after 4am. Partly cloudy, with a low around 54.

    Mostly Sunny
  • Fri11/622% chance of precipitationLow High 71°

    Friday: A slight chance of rain showers before 4pm. Mostly sunny, with a high near 71.

    Slight Chance Rain Showers
  • Sat11/7Model blendLow 56°High 76°

    Saturday: Sunny. High near 76°. Low that night near 56°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blendLow 57°High 78°

    Sunday: Mostly sunny. High near 78°. Low that night near 57°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 34.072, -117.698 from the NWS SGX office, updated 10/30/2026, 7:42 PM PT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KPOC (La Verne/Brackett Fld, 5 mi), model run 10/30/2026, 7:00 PM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now61°Mostly Cloudy14%0 mph
  2. 10 PM60°Mostly Cloudy14%0 mph
  3. 11 PM60°Mostly Cloudy6%0 mph
  4. 12 AM59°Mostly Cloudy6%0 mph
  5. 1 AM59°Mostly Cloudy6%0 mph
  6. 2 AM58°Mostly Cloudy6%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

Will it rain in Montclair, CA 91763 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Montclair, CA 91763?
The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 7 to Nov 8) come from the NOAA National Blend of Models, with highs of 76°F to 78°F. Model guidance this far out often changes.
What time is sunrise and sunset in Montclair, CA 91763 today?
Sunrise is about 7:08 AM PDT and sunset is about 5:59 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Montclair, CA 91763?
At Pomona/Fairplex, the 1991 to 2020 normal high in October is 81°F and the normal low is 54°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.42 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: NORTE Fire (570 acres), DILLON Fire (0 acres), LAC-389240 Fire, LAC-389289 Fire, LAC-389354 Fire

UV and air quality forecast

EPA and AirNow

AQI forecast tomorrow (Pomona Walnut Vly)
39GoodOzone

UV index guide · Air quality

Drought

By county

San Bernardino County, week of 10/27/2026

18% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:08 AM
Sunset
5:59 PM
Daylight
10 hr 51 min
Moon
Waning Gibbous 74% lit
First light (civil dawn)
6:43 AM
Last light (civil dusk)
6:25 PM
Moonrise
9:57 PM
Moonset
12:14 PM

Normal October weather

Climate

Normal October high 81°, low 54°, precipitation 0.97 in for the month. 1991 to 2020 normals at Pomona/Fairplex, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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